GMC Sierra 2500HD III (GMT900, facelift 2011) Crew Cab Standard Box 6.6 Duramax TD V8 (397 Hp) Automatic


Overall Rating

8.3 / 10
Safety N/A / 5
Not Rated
Engine 4.7 / 5
Value 4.0 / 5
Performance 4.5 / 5
Comfort 3.5 / 5
People\'s Opinion N/A / 5
Not Rated

GMC Sierra 2500HD:

The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. Taking its name from the top trim level from the Chevrolet C/K series, the Silverado is offered as a series of full-size pickup trucks, chassis cab trucks, and medium-duty trucks. The fourth generation of the model line was introduced for the 2019 model year.
The Chevrolet Silverado shares mechanical commonality with the identically related GMC Sierra; GMC ended the use of the C/K nomenclature a model generation prior to Chevrolet. In Mexico, high-trim level versions of the Silverado use the Chevrolet Cheyenne name Starting with the LT trim. Standard and "Custom" trims are still called Silverado. Competing against the Ford F-Series, Ram pickup, Toyota Tundra, and Nissan Titan, the Silverado is among the best-selling vehicles in the United States, having sold over 12 million trucks since its introduction in 1998 as a 1999 model year....(Read more on Wikipedia)

III (GMT900, facelift 2011) Crew Cab Standard Box Overview:

GMC Sierra 2500HD (III (GMT900, facelift 2011) Crew Cab Standard Box). With 1037 Nm of torque, it offers ample pulling power. At around 3206 kg, it’s on the heavier side. Rear‑wheel drive offers dynamic handling and sporty feedback. A vehicle with an open cargo bed at the back, suitable for transporting goods. Seating for 5 makes it ideal for daily use.

6.6 Duramax TD V8 (397 Hp) Automatic Verdict:

Rating 5 stars

Performance Verdict

Exceptional performance for heavy-duty tasks, offering immense torque for towing and hauling with strong, confident acceleration.

Fuel Economy

Best-in-class fuel economy for a heavy-duty diesel, though still a large truck. Excellent range for long hauls.

Best Use Case: Extreme heavy towing, commercial fleets, long-distance hauling, demanding work applications where maximum capability is required.

Pros and Cons:

Pros:

  • • Exceptional towing and hauling capabilities, especially with the Duramax diesel.
  • • Robust and durable construction, built for heavy-duty work.
  • • Spacious and comfortable Crew Cab interior for passengers.
  • • Wide range of powerful engine options to suit various needs.
  • • Strong resale value in the heavy-duty truck segment.

Cons:

  • • Poor fuel economy, particularly with gasoline engines.
  • • Large size can be challenging for urban driving and parking.
  • • Ride quality can be stiff when unladen, typical for heavy-duty trucks.
  • • Higher purchase price and running costs compared to light-duty pickups.
  • • Interior design, while functional, may feel dated compared to some competitors.

Specifications:

Specifications are compared to those of the previous generation(III (GMT900) Extended Cab Long Box: 2007 - 2010).

General:
Brand:GMC
Model:Sierra 2500HD
Generation:III (GMT900, facelift 2011) Crew Cab Standard Box
Modification (Engine):6.6 Duramax TD V8 (397 Hp) Automatic
Start of production:2011
End of production:2014
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:5
Doors:5
Engine:
Engine systems:Particulate filter
Power:397 Hp @ 3000 rpm. Same horsepower
Power per litre:60.2 Hp/l [229mm less]
Torque:1037 Nm @ 1600 rpm.
Engine Model/Code:Duramax LML More details about the engine Duramax LML
Engine displacement:6599
Number of cylinders:8
Engine configuration:V-engine
Number of valves per cylinder:4
Fuel injection system:Diesel Commonrail
Engine aspiration:Turbocharger, Intercooler
Valvetrain:OHV
Engine oil capacity:9.5 l
Coolant:24 l
Engine layout:Front, Longitudinal
Cylinder Bore:103 mm mm
Piston Stroke:99 mm mm
Compression ratio:16:1
Maximum engine speed:3000 rpm.
Performance:
Fuel Type:Diesel
Weight-to-power ratio:8.1 kg/Hp, 123.8 Hp/tonne
Weight-to-torque ratio:3.1 kg/Nm, 323.5 Nm/tonne
Space:
Kerb Weight:3206
Max. weight:4536
Max load:1330
Trunk (boot) space - maximum:1718 l
Permitted trailer load with brakes (12%):5897 kg
Fuel tank capacity:136 l
Size:
Length:6101 mm mm [229mm less]
Width:2032 mm mm [404mm less]
Height:1958 mm mm [28mm more]
Wheelbase:3904 mm mm [97mm less]
Width including mirrors:2032 mm
Front track:1748 mm
Rear (Back) track:1709 mm
Ride height (ground clearance):213 mm
Minimum turning circle (turning diameter):15.4 m [above average]
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears6
Transmission typeAutomatic
Gearbox typeAllison
Front brakesVentilated discs, 350x40 mm [Best for performance and cooling.]
Rear brakesVentilated discs, 360x34 mm [Best for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeCone worm with recirculation balls
Tires size245/75 R17; 265/70 R17; 265/70 R18; 265/60 R20
Wheel rims size7.5J x 17; 8J x 18; 8.5J x 20
Front suspensionIndependent torsion bar, double wishbone
Rear suspensionRigid axle suspension, Leaf spring

Every driver has a story. What’s yours with the GMC Sierra 2500HD?